Methods and systems for detecting efforts to thwart the sense of smell of service animals and sniffer dogs. Methods and systems for detecting the introduction of and for neutralizing the effects of ONM introduced into an area. Methods and systems for the controlling the direction of the emission or ONM or descanter into an area. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
